package com.lc.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.lc.reggie.common.R;
import com.lc.reggie.entity.User;
import com.lc.reggie.service.UserService;
import com.lc.reggie.utils.SMSUtils;
import com.lc.reggie.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@Slf4j
@RestController
@RequestMapping("/user")
public class UserController
{
	@Autowired
	private UserService userService;
	
	@Autowired
	private RedisTemplate redisTemplate;
	
	/**
	 * 发送手机短信验证码
	 * @param user
	 * @return
	 */
	@PostMapping("/sendMsg")
	public R<String> sendMsg(@RequestBody User user, HttpSession session)
	{
		//获取手机号
		String phone = user.getPhone();
		
		if (phone != null)
		{
			//生成随机的6位验证码
			String code = ValidateCodeUtils.generateValidateCode(6).toString();
			log.info("code :{}", code);
			//调用腾讯云的短信服务API发送短信
			//tccli sms SendSms --cli-unfold-argument --region ap-nanjing
			//		--PhoneNumberSet 15579857735 --SmsSdkAppId 1400718699
			//		--SignName 怪人友OL公众号 --TemplateId 1500982
			//		--TemplateParamSet 123456 5
//			SMSUtils.sendMessage(phone, "1400718699",
//								 "怪人友OL公众号", "1500982", code, "5");
			//需要将生成的验证码保存到session
//			code = "123456";
//			session.setAttribute(phone, code);
			//需要将生成的验证码缓存到redis，设置过期时间为5分钟
			code = "123456";
			redisTemplate.opsForValue().set(phone, code, 5, TimeUnit.MINUTES);
			
			return R.success("手机验证码短信发送成功");
		}
		return R.error("短信发送失败");
	}
	
	@PostMapping("/login")
	public R<User> login(@RequestBody Map map, HttpSession session)
	{
		log.info(map.toString());
		//获取手机号
		String phone = map.get("phone").toString();
		//获取验证码
		String code = map.get("code").toString();
//		//从Session中获取保存的验证码
//		Object codeInSession = session.getAttribute(phone);
		//从redis中获取缓存的验证码
		Object codeInSession = redisTemplate.opsForValue().get(phone);
		
		//进行验证码的比对（页面提交的验证码和Session中保存的验证码比对）
		if (codeInSession != null && codeInSession.equals(code))
		{
			//如果能够比对成功，说明登录成功
			LambdaQueryWrapper<User> lqw = new LambdaQueryWrapper<>();
			lqw.eq(User::getPhone, phone);
			User user = userService.getOne(lqw);
			if (user == null)
			{
				//判断当前手机号对应的用户是否为新用户，如果是新用户就自动完成注册
				user = new User();
				user.setPhone(phone);
				userService.save(user);
			}
			session.setAttribute("user", user.getId());
			
			//如果用户登录成功，删除redis中缓存的验证码
			redisTemplate.delete(phone);
			
			return R.success(user);
		}
		
		return R.error("登录失败");
	}
	
}
